The just of this is making a virtual drive in your system's memory and using it for file caching, temp storage, and security. Anything writen to the ramdrive, like cookies, will be dumped when the system is powered off or rebooted. You can point your OS, browsers, and other applications to use this drive for their temp files. This will significantly improve access speed to those files. 20x faster then an SSD. (400MB/s vs. 8000MB/s). I haven't tried putting the pagefile there because I have my pagefile disabled. Doing this will relieve an SSD from some thrashing.

Five reasons to use a RAM disk:
1.Higher PC performance. Using a fast in-memory disk for temporary data boosts PC performance up, provided you have got a sufficient amount of RAM.
2.Reduced file system fragmentation. The file system on your disks will be far less fragmented as temporary files are never written to the disk.
3.Reduced wear-and-tear of the physical disk. As temporarily files are not written to the disk, there will be fewer read/write cycles, which is especially important for Solid State Drives (SSD) installed in some laptops.
4.Less junk on the hard disk. Often software applications create temporary files that remain undeleted although no longer needed.
5.Less noise and heat from the hard disk. The system will use the hard disk less intensively as it would storing temporary files on the disk.

It's free to is you only want to use up to 4GB and was only $15 when i actually brought it as i wanted to have a dedi server in ram and it made a difference for sure as when it was hosting 20 people playing a domi mission every one was reported no issue's..

Were as some servers have issue's as they try to spit all the info out as fast as possible when the spawning happens when a town is taken over. .

These have been around sine like windows 3.1, and are a bit like the "TORNADO" air intake booster for your car.

They dont really work to increase speed. At all. Edit: except maybe for the post that hat put up...

Most games and applications cache textures and commonly accessed files and such in ram, which is why you won't see a huge boost in either windows performance or in-application performance (also why having an SSD never increases FPS). The only exception is temp files, but that really is about it.

I've been playing with ramdrives and ram diskcaches a lot in the last little while, since I have the ram to play with. Setting a good size ram diskcache on a game drive or partition does really help performance in loading with games. For instance, first time you load MW3, it will take the normal time, and when you load a level in the game it takes a normal amount of time, like 10-15secs or more. If you get killed and have to reload, it's instant the 2nd time. If you quit the game and decide to restart it, it's almost instant as well. I find you need at least 2gbs of ram diskcache per game you want to run off that drive/partition for maximum performance. Also, granularity(block size) and type of algorithm will impact performance, so you need to learn how to set up the cache properly. All I know is, from now on I don't go without the caches, they really do make a difference when done properly!

In Win 8 Pro, due to the 32G of DDR3. I am also using Xfired 7770's w/o issue and I am using a 42" HDTV as a monitor. My FX-8350 is serving me very well, and it scales from 1.4Ghz to 4Ghz depending on the demand. I am using a SSD as my primary, while a SSHD (Hybrid) is my storage drive. I am not going to post benchmark info and such, as the topic is RAMDisk.

I have used a 20G RAMDisk to play Guild Wars 2 with my TMP/TEMP folders moved to the RAMDisk concurrently. Though I returned GW2 back to it's home partition. I did this out of curiousity.
Though I am curious on how things will be in a very large zerg vs zerg conflict (WVW). Not yet tested.
Very interesting about doing a GW2 install is that a person can start the install, stop it. Copy the GW2.dat to the install location and the resume the install. When resumed it compares the GW2.dat to a final size and considers it done. Thus a copy and paste works very well, and unlike other games a person can just make a copy of just the GW2.dat and it is backup.

I was going to run Battlefield 3 on it, but the base install of BF3 is about 17G installed and additional amount for Armored Kill. I chose not to test it because I felt it would not leave me enough resources to effectively play it.

So my next first person shooter that I will use is ArmA 3 Beta, the current install size is rather small as far as I can tell. I am very tired at the time of this post. I will have to confirm the install size prior to creating a RAMDisk for testing it.

I am extremely pleased with using a RAMDisk and plan on upgrading the mobo to acquire more RAM. Newegg has already done a video clip on the Radeon RAMDisk, so if you want to watch it @ http://youtu.be/C9IZQb5bNIo

I'm using AMD's RAMdisk for the browser. I just installed the browser in the RAM drive and also moved the cache there. Only profile is left on the actual SSD. Though i wanted to move everything in it, but the risk of losing data on crashes is just too high (power loss is not an issue since it's laptop). When i shut it down, data is saved to disk in a one bigger chunk and restored on next system start. It made the browser quite a lot more responsive on a weaker laptop.

Ramdisk and other programs have been around for a long time and old news. Asrock includes their version with their bords. The read/write speeds are blazing fast..... Here was my results over a year ago using 2600K/ GSkill Tridents at 2400MHz

These have been around sine like windows 3.1, and are a bit like the "TORNADO" air intake booster for your car.

They dont really work to increase speed. At all. Edit: except maybe for the post that hat put up...

Most games and applications cache textures and commonly accessed files and such in ram, which is why you won't see a huge boost in either windows performance or in-application performance (also why having an SSD never increases FPS). The only exception is temp files, but that really is about it.

Yes, the load times a very nice and I didn't bother to post any benchmarks.
I did buy the Radeon RAMDisk, full version since it was cheap and I was curious how it would perform for gaming. Though I do some transcoding.

drdeathx I have been very curious on how that Revo has been going for you? I was considering one of those since it uses the PCIe, but was hoping that there would be a revised or improved version since there are some newer controllers on the market now.

Odds are I will be acquiring a newer mobo that has support for 64G of DDR. But remains to be seen.

I am using Win 8 Pro. But the changing the the TMP/TEMP locations are easy enough to change. In the picture it shows my "stock" setting on C:\TEMP\
I have installed various apps/programs onto the RAMDisk itself.

Win 8 Pro;

1) go left bottom and right click will pull up a menu
2) select System in the list and click System
3) System comes up, click on Advanced System Settings
4) There will be a Environmental Variables, click
5) From there you can scroll down, select and edit via the bottom menu
6) I selected and editted C:\TEMP\ for both TMP and TEMP to R:\TEMP\ (R: = RAMDisk)

Win 7 will also have this ability, though probably easier via Control Panel. It has been a bit since I have run Win 7, which was on my laptop. The laptop has Debian 7 installed currently, which I waited for Debian to finally move to a kernel that was 3+ for support for my wireless. Debian has a slow pace compared to others such as *buntu or Mint distro's. But that is another topic.
SSD warranties and life spans are far greater than the "1st Gens".